diff options
| author | Sean V Kelley <sean.v.kelley@intel.com> | 2020-11-20 16:10:32 -0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2020-12-05 15:26:02 -0600 |
| commit | 507b460f814458605c47b0ed03c11e49a712fc08 (patch) | |
| tree | 201bf61baf5e20ee27b5c9ccb5952f0c080e4f76 /drivers/pci/pci.h | |
| parent | a175102b0a82fc57853a9e611c42d1d6172e5180 (diff) | |
| download | lwn-507b460f814458605c47b0ed03c11e49a712fc08.tar.gz lwn-507b460f814458605c47b0ed03c11e49a712fc08.zip | |
PCI/ERR: Add pcie_link_rcec() to associate RCiEPs
A Root Complex Event Collector terminates error and PME messages from
associated RCiEPs.
Use the RCEC Endpoint Association Extended Capability to identify
associated RCiEPs. Link the associated RCiEPs as the RCECs are enumerated.
Co-developed-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Link: https://lore.kernel.org/r/20201121001036.8560-12-sean.v.kelley@intel.com
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # non-native/no RCEC
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Sean V Kelley <sean.v.kelley@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 3c4570a3058f..ae2ee4df1cff 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -472,9 +472,11 @@ static inline void pci_dpc_init(struct pci_dev *pdev) {} #ifdef CONFIG_PCIEPORTBUS void pci_rcec_init(struct pci_dev *dev); void pci_rcec_exit(struct pci_dev *dev); +void pcie_link_rcec(struct pci_dev *rcec); #else static inline void pci_rcec_init(struct pci_dev *dev) {} static inline void pci_rcec_exit(struct pci_dev *dev) {} +static inline void pcie_link_rcec(struct pci_dev *rcec) {} #endif #ifdef CONFIG_PCI_ATS |